diff options
author | Christian König <christian.koenig@amd.com> | 2020-08-03 17:25:15 +0300 |
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committer | Christian König <christian.koenig@amd.com> | 2020-08-12 16:51:03 +0300 |
commit | b2458726b38cb69f3da3677dbdf53e47af0e8792 (patch) | |
tree | c7f566f8738c1fdc10e97b1d44f83a31fe4374e2 /include/drm/ttm/ttm_bo_api.h | |
parent | e92ae67d6ed881e9c6d6d432eb6b5817f150a115 (diff) | |
download | linux-b2458726b38cb69f3da3677dbdf53e47af0e8792.tar.xz |
drm/ttm: give resource functions their own [ch] files
This is a separate object we work within TTM.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/384338/?series=80346&rev=1
Diffstat (limited to 'include/drm/ttm/ttm_bo_api.h')
-rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 70 |
1 files changed, 8 insertions, 62 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 770ad2195875..dbb276abcf6a 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -42,6 +42,8 @@ #include <linux/bitmap.h> #include <linux/dma-resv.h> +#include "ttm_resource.h" + struct ttm_bo_global; struct ttm_bo_device; @@ -54,57 +56,6 @@ struct ttm_place; struct ttm_lru_bulk_move; -struct ttm_resource_manager; - -/** - * struct ttm_bus_placement - * - * @addr: mapped virtual address - * @base: bus base address - * @is_iomem: is this io memory ? - * @size: size in byte - * @offset: offset from the base address - * @io_reserved_vm: The VM system has a refcount in @io_reserved_count - * @io_reserved_count: Refcounting the numbers of callers to ttm_mem_io_reserve - * - * Structure indicating the bus placement of an object. - */ -struct ttm_bus_placement { - void *addr; - phys_addr_t base; - unsigned long size; - unsigned long offset; - bool is_iomem; - bool io_reserved_vm; - uint64_t io_reserved_count; -}; - - -/** - * struct ttm_resource - * - * @mm_node: Memory manager node. - * @size: Requested size of memory region. - * @num_pages: Actual size of memory region in pages. - * @page_alignment: Page alignment. - * @placement: Placement flags. - * @bus: Placement on io bus accessible to the CPU - * - * Structure indicating the placement and space resources used by a - * buffer object. - */ - -struct ttm_resource { - void *mm_node; - unsigned long start; - unsigned long size; - unsigned long num_pages; - uint32_t page_alignment; - uint32_t mem_type; - uint32_t placement; - struct ttm_bus_placement bus; -}; - /** * enum ttm_bo_type * @@ -534,17 +485,6 @@ int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size, struct ttm_buffer_object **p_bo); /** - * ttm_resource_manager_init - * - * @man: memory manager object to init - * @p_size: size managed area in pages. - * - * Initialise core parts of a manager object. - */ -void ttm_resource_manager_init(struct ttm_resource_manager *man, - unsigned long p_size); - -/** * ttm_bo_evict_mm * * @bdev: Pointer to a ttm_bo_device struct. @@ -680,6 +620,12 @@ static inline bool ttm_bo_uses_embedded_gem_object(struct ttm_buffer_object *bo) return bo->base.dev != NULL; } +int ttm_mem_evict_first(struct ttm_bo_device *bdev, + struct ttm_resource_manager *man, + const struct ttm_place *place, + struct ttm_operation_ctx *ctx, + struct ww_acquire_ctx *ticket); + /* Default number of pre-faulted pages in the TTM fault handler */ #define TTM_BO_VM_NUM_PREFAULT 16 |